[INFO] cloning repository https://github.com/asafigan/rust-project-euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asafigan/rust-project-euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasafigan%2Frust-project-euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasafigan%2Frust-project-euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9aae5ddf8f4fad93ff7e2f1b85614b1535942bd4
[INFO] documenting asafigan/rust-project-euler against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasafigan%2Frust-project-euler" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asafigan/rust-project-euler on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asafigan/rust-project-euler
[INFO] finished tweaking git repo https://github.com/asafigan/rust-project-euler
[INFO] tweaked toml for git repo https://github.com/asafigan/rust-project-euler written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/asafigan/rust-project-euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65a55d0efa0e7a164e1d1bdcfc3e5a2f0237e102733dcc1408782ac2558a63cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "65a55d0efa0e7a164e1d1bdcfc3e5a2f0237e102733dcc1408782ac2558a63cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65a55d0efa0e7a164e1d1bdcfc3e5a2f0237e102733dcc1408782ac2558a63cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a55d0efa0e7a164e1d1bdcfc3e5a2f0237e102733dcc1408782ac2558a63cd", kill_on_drop: false }`
[INFO] [stdout] 65a55d0efa0e7a164e1d1bdcfc3e5a2f0237e102733dcc1408782ac2558a63cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0bc7c418a697eb69cd051534cc511c60088e46e71cca2456619aba09bab6cdd4
[INFO] running `Command { std: "docker" "start" "-a" "0bc7c418a697eb69cd051534cc511c60088e46e71cca2456619aba09bab6cdd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]  Documenting problem11 v0.1.0 (/opt/rustwide/workdir/problem11)
[INFO] [stderr]  Documenting problem24 v0.1.0 (/opt/rustwide/workdir/problem24)
[INFO] [stderr]  Documenting problem18 v0.1.0 (/opt/rustwide/workdir/problem18)
[INFO] [stderr]  Documenting problem9 v0.1.0 (/opt/rustwide/workdir/problem9)
[INFO] [stderr]  Documenting problem8 v0.1.0 (/opt/rustwide/workdir/problem8)
[INFO] [stderr]  Documenting problem67 v0.1.0 (/opt/rustwide/workdir/problem67)
[INFO] [stderr]  Documenting problem5 v0.1.0 (/opt/rustwide/workdir/problem5)
[INFO] [stderr]  Documenting problem2 v0.1.0 (/opt/rustwide/workdir/problem2)
[INFO] [stderr]  Documenting problem10 v0.1.0 (/opt/rustwide/workdir/problem10)
[INFO] [stderr]  Documenting problem7 v0.1.0 (/opt/rustwide/workdir/problem7)
[INFO] [stderr]  Documenting problem3 v0.1.0 (/opt/rustwide/workdir/problem3)
[INFO] [stderr]  Documenting problem22 v0.1.0 (/opt/rustwide/workdir/problem22)
[INFO] [stderr]  Documenting problem21 v0.1.0 (/opt/rustwide/workdir/problem21)
[INFO] [stderr]  Documenting problem6 v0.1.0 (/opt/rustwide/workdir/problem6)
[INFO] [stderr]  Documenting problem4 v0.1.0 (/opt/rustwide/workdir/problem4)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> problem67/src/main.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             {last_row.collect::<Vec<_>>()},
[INFO] [stdout]     |             ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 122 -             {last_row.collect::<Vec<_>>()},
[INFO] [stdout] 122 +             last_row.collect::<Vec<_>>(),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting problem1 v0.1.0 (/opt/rustwide/workdir/problem1)
[INFO] [stderr] error: could not document `problem10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name problem10 problem10/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=247c3fc9471e21a4 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `problem7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name problem7 problem7/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=090fe9b2c3d5ffb7 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `problem24`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name problem24 problem24/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=125349caaeebbabf -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bc7c418a697eb69cd051534cc511c60088e46e71cca2456619aba09bab6cdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc7c418a697eb69cd051534cc511c60088e46e71cca2456619aba09bab6cdd4", kill_on_drop: false }`
[INFO] [stdout] 0bc7c418a697eb69cd051534cc511c60088e46e71cca2456619aba09bab6cdd4